“四十年来画竹枝,白日挥写夜间思。冗繁削尽留清瘦,待到生时是熟时。”郑板桥这首题画诗给新课程理念下的课堂教学设计这样的启示:要花大力气去提炼教学主线,抓重点、带一般,去枝叶、留主干,删繁就简、以约驭博,深入浅出、以少胜多,追求课堂设计的简约美。一、力减多余环节传 “Painted bamboo branches in the past 40 years, day and night to write the night thinking. Red and refined to stay lean, until the time is ripe.” Zheng Banqiao the title painting poetry to the new curriculum concept of classroom instruction design this inspiration: to spend Efforts to refine the main line of teaching, focusing on the point, with the general, to the branches and leaves, stay in the trunk, cut the fan to Jane, to Yu Yu Bo, explain profound theories in simple language to less victory, the pursuit of simple classroom design beauty. First, reducing excess link pass